Pith Number

pith:AQN5GXYW

pith:1999:AQN5GXYWB4DQ63FAJPCI6A45LZ

not attested not anchored not stored refs pending

Reconstructing the Cosmic Equation of State from Supernova distances

(2) Landau Institute, 3) ((1) IUCAA, (3) MPIfA, A. A. Starobinsky (2, Garching), Moscow, Pune, Somak Raychaudhury (1), Tarun Deep Saini (1), Varun Sahni (1)

arxiv:astro-ph/9910231 v4 · 1999-10-13 · astro-ph · gr-qc · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AQN5GXYWB4DQ63FAJPCI6A45LZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

2 papers in Pith

Spherical Collapse and Halo Formation in a Cosmology with Decaying Dark Matter and a Semi-Cosmographic Dark Energy

Effective Phantom Dark Energy: What Cosmological Reconstruction Does and Does Not Imply

Receipt and verification

First computed	2026-07-04T16:11:42.257688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

041bd35f160f070f6ca04bc48f039d5e5b9bc478c00d75090b54445b86bdd3e7

Aliases

arxiv: astro-ph/9910231 · arxiv_version: astro-ph/9910231v4 · doi: 10.48550/arxiv.astro-ph/9910231 · pith_short_12: AQN5GXYWB4DQ · pith_short_16: AQN5GXYWB4DQ63FA · pith_short_8: AQN5GXYW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/AQN5GXYWB4DQ63FAJPCI6A45LZ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 041bd35f160f070f6ca04bc48f039d5e5b9bc478c00d75090b54445b86bdd3e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d12257f6454b2ed8d675e428519c733c67af2a8ad815e12445a081b71b03d4cf",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-10-13T14:48:24Z",
    "title_canon_sha256": "e3bae67c5f4a3114aad423c22ecc92f9805184b60358ebbe04a6ca65df1e58d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9910231",
    "kind": "arxiv",
    "version": 4
  }
}